Re: mm: provide reference to READ_IMPLIES_EXEC

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On Thu, Jan 28, 2016 at 5:38 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> On Thu, Jan 28, 2016 at 02:41:03PM +0530, Sudip Mukherjee wrote:
>> blackfin defconfig fails with the error:
>> mm/internal.h: In function 'is_stack_mapping':
>> arch/blackfin/include/asm/page.h:15:27: error: 'READ_IMPLIES_EXEC' undeclared
>>
>> Commit 07dff8ae2bc5 has added is_stack_mapping in mm/internal.h but it
>> also needs personality.h.
>>
>> Fixes: 07dff8ae2bc5 ("mm: warn about VmData over RLIMIT_DATA")
>
> FWIW, this is just one of many build failures due to this patch.
> Pretty much all non-MMU builds fail, plus several MMU builds.
> I had prepared a patch for mn10300, but gave up after I noticed
> all the other failures.

Please try mine "[PATCH] mm: polish virtual memory accounting"
instead of that. It should fix some (or all) fails from 07dff8ae2bc5.

>
> Build results in next-20160128:
>         total: 146 pass: 121 fail: 25
> Failed builds:
>         alpha:allmodconfig
>         arm64:allnoconfig
>         arm64:allmodconfig
>         avr32:defconfig
>         avr32:merisc_defconfig
>         avr32:atngw100mkii_evklcd101_defconfig
>         blackfin:defconfig
>         blackfin:BF561-EZKIT-SMP_defconfig
>         c6x:dsk6455_defconfig
>         c6x:evmc6457_defconfig
>         c6x:evmc6678_defconfig
>         frv:defconfig
>         ia64:defconfig
>         ia64:allnoconfig
>         m68k:allmodconfig
>         microblaze:nommu_defconfig
>         microblaze:allnoconfig
>         mn10300:asb2303_defconfig
>         mn10300:asb2364_defconfig
>         parisc:allmodconfig
>         powerpc:ppc6xx_defconfig
>         s390:defconfig
>         s390:allmodconfig
>         s390:allnoconfig
>         xtensa:allmodconfig
> Qemu test results:
>         total: 96 pass: 83 fail: 13
> Failed tests:
>         arm:kzm:imx_v6_v7_defconfig
>         arm64:smp:defconfig
>         arm64:nosmp:defconfig
>         microblaze:microblaze_defconfig
>         microblaze:microblazeel_defconfig
>         powerpc:mac99:ppc_book3s_defconfig
>         powerpc:mpc8544ds:mpc85xx_smp_defconfig
>         powerpc:smp4:ppc64_book3s_defconfig
>         powerpc:nosmp:ppc64_e5500_defconfig
>         powerpc:smp:ppc64_e5500_defconfig
>         s390:defconfig
>         sparc64:sun4u:nosmp:sparc64_defconfig
>         sparc64:sun4v:nosmp:sparc64_defconfig
>
> Not all, but most of the failures are due to 07dff8ae2bc5.
>
> Guenter
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